Saputra, I. N. G. A. J., Sudiparwati, P. A., Rusdiarnata, I. K., & Juniari, N. K. E. (2026). Exploring Service Excellence Training: Developing the Professional Competence of Waitstaff at Small-Scale Restaurants in Bali. SIGn Journal of Social Science, 6(2), 526-544. https://doi.org/10.37276/sjss.v6i2.696